<%--
  Created by IntelliJ IDEA.
  User: 嘉平十七
  Date: 2020/6/29
  Time: 13:41
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>EL表达式读取四大域</title>
</head>
<body>
<%
    pageContext.setAttribute("xxx","pageContext_XXX");
    request.setAttribute("xxx","request_XXX");
    session.setAttribute("xxx","session_XXX");
    application.setAttribute("xxx","application_XXX");
%>
${xxx}<br/>
${pageScope.xxx}<br/>
${requestScope.xxx}<br/>
${sessionScope.xxx}<br/>
${applicationScope.xxx}<br/>
</body>
</html>
